A little blood?: It's not uncommon to have a little blood in your phlegm if you have been coughing a lot from your allergies. I would certainly start taking something for allergies to give you some relief. If you have been having night sweats, fever and weight loss, i would certainly see your doctor too.
Answered 8/21/2012
6k views
Allergy : Congestion in nose can cause blood in snort and phlegm. Antihistamines and nasal decongestant can help . If getting fever , weight loss and night sweats then please consult a doctor.
Answered 1/28/2018
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